53193408 has 112 divisors (see below), whose sum is σ = 152887680. Its totient is φ = 16257024.

The previous prime is 53193379. The next prime is 53193409. The reversal of 53193408 is 80439135.

It is not an unprimeable number, because it can be changed into a prime (53193409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140163 + ... + 140541.

Almost surely, 2^53193408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53193408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76443840).

53193408 is an abundant number, since it is smaller than the sum of its proper divisors (99694272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53193408 is a wasteful number, since it uses less digits than its factorization.

53193408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 53193408 is about 7293.3811089234. The cubic root of 53193408 is about 376.0849362971.

It can be divided in two parts, 531 and 93408, that added together give a palindrome (93939).

The spelling of 53193408 in words is "fifty-three million, one hundred ninety-three thousand, four hundred eight".